stock_info = ['600000', '浦发银行']
stock_day1 = stock_info # 将基本信息赋值给stock_day1
stock_day1.extend([11.52, 11.54, 11.61, 11.40])
stock_day2 = stock_info # 将基本信息赋值给stock_day2
stock_day2.extend([11.54, 11.98, 12.11, 11.20])
print(stock_day1)
print(stock_day2)